Home / 7,549.20-11,334.60-4,268.70

Finding the Fourth Proportional to 7,549.20, 11,334.60 and 4,268.70

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Solution

The fourth proportional to 7,549.20, 11,334.60 and 4,268.70 is: 6,409.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,549.20 : 11,334.60 = 4,268.70 : x
  2. Step 2: Convert to fraction form
    7,549.20/11,334.60 = 4,268.70/x
  3. Step 3: Cross multiply
    7,549.20x = 11,334.60 × 4,268.70
  4. Step 4: Simplify right side
    7,549.20x = 48,384,007.02
  5. Step 5: Solve for x
    x = 48,384,007.02/7,549.20
  6. Step 6: Final answer
    x = 6,409.16

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.